Home / 385,112.14-577,669.84-252,829.42

Finding the Fourth Proportional to 385,112.14, 577,669.84 and 252,829.42

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Solution

The fourth proportional to 385,112.14, 577,669.84 and 252,829.42 is: 379,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,112.14 : 577,669.84 = 252,829.42 : x
  2. Step 2: Convert to fraction form
    385,112.14/577,669.84 = 252,829.42/x
  3. Step 3: Cross multiply
    385,112.14x = 577,669.84 × 252,829.42
  4. Step 4: Simplify right side
    385,112.14x = 146,051,930,598.69
  5. Step 5: Solve for x
    x = 146,051,930,598.69/385,112.14
  6. Step 6: Final answer
    x = 379,245.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.